5-Layered Mask Has Minimum Leakage Of Droplets: IIT Study

https://ift.tt/3uFqHgh https://ift.tt/eA8V8J April 09, 2021 at 12:23AM https://www.ndtv.comA five-layered mask has been observed to be the most effective preservative measure with minimum leakage of the droplet, says a study by IIT Bhubaneswar which highlights that mask and adequate...

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